Question about 2002 Cadillac Deville

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Why when im driving my 2002 cadillac devile at nite my left tail light is out but when i brake it turns on and if i put signal light it turns on whats the issue

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Sounds like a ground problem. Check the socket grounds on all sockets.

Posted on May 08, 2015

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  • 12 Answers

Have u replaced the bulb? i believe some tail lights (all?) have 2 fillaments in bulb for tail light (running light) and using both for brake... blinker/ signal is a different bulb usually- that way u have running lights/ break lights at same time ur blinking.

Posted on Dec 05, 2014

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Posted on Jan 02, 2017

reichweinj
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SOURCE: 2006 Chevy Trailblazer Tail Lights

There was a recall on this, take to the dealer and they will replace the whole socket on this.

Posted on Nov 10, 2008

motor1258
  • 6674 Answers

SOURCE: 2004 f150 no tail lights ,left turn signal ,no

Check & clean connector underneath at rear, usually just forward of front bumper, up near frame, drivers side. Does this have a trailer towing plug on it by chance?

Posted on Mar 06, 2009

  • 2 Answers

SOURCE: Brake light, Turn signal not working rear right 06' Focus

I have a 2000 ford focus no brake lights. with the brake lights the transmission would not go into drive .replaced the brake light switch checked fuse replaced turn signal switch with no results then i moved onto the wiper switch and replaced it as much to my supp rise it fixed the problems

Posted on Aug 06, 2009

  • 67 Answers

SOURCE: wiring schematic for tail lights

Hello.
This sounds like you have a bad ground on your Dakota. Trace the wires back until you see that one of the wires is connected to the body or frame with a small screw or small bolt. Make sure that your have a good clean ground to work with.
Another thing that you can check for is to see if there is another light out somewhere else on the truck. Its like christmas lights, when one bulb goes, it can effect all the others just as well. The only other option is to check your fuses, get the fuse diagram and see what controls the taillights. On my truck I have the wrong fuse in there cause only the taillights to work and not the brake lights. Vehicles are very picky with there fuses. If the correct fuse is in there, make sure that the fuse isnt burnt out. You can check that by seeing if the filament in there looks burn or is broken like it popped. Hope this helps!
-Steve

Posted on Dec 06, 2009

  • 10865 Answers

SOURCE: Brake light, reverse light and turn signal issues

Hello. The symptoms you are describing are likely due to a poor ground. Temporarily install a new ground wire by securing a piece of copper wire to the frame with a self tapping screw. Use this ground wire along with the hot wire to see if each of these lights works. If it does, trace the ground wire back to the frame, unscrew it and clean up the metal with emery cloth so you reestablish a good ground.

Posted on Jan 28, 2010

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1 Answer

How do I fix the tail light in 1999 Cadillac deville when its not the bulbs brake light and turn signal works


That is a three element lamp bulb. Brakes, turn, and tail lights are all in the same bulb. Replace the bulb and all should be OK.

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just check accurately bulbs if you mixed it could happen like that, some cars for the brake lights use two contact bulbs some of them single contact, two contact bulbs can give two signals which one is used for brake ligths and another for taillight, so check the bulbs carefully

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I have no break lights or turn signals


Turn signal tail lights and BRAKE LIGHTS NOT WORKING


It can be faulty brake light switch causing the problem or its blown brake light bulb. First check and confirm brake light lamp is working and that's not the case.

For turn signal not working it can be faulty turn signal switch or its issue with wiring:----


==========

To trouble shoot brake and turn signal related problem, check the help links mentioned below:-----


Click the link:----
1996 Buick Regal Grand Sport Brake light Switch Location? http://schematicsdiagram.blogspot.in/2012/04/1996-buick-regal-gran-sport-brake-light.html

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http://schematicsdiagram.blogspot.in/2012/04/brake-lights-not-working-on-1989-buick.html

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http://technoanswers.blogspot.in/2012/02/how-to-replace-brake-light-switch-on.html

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http://schematicsdiagram.blogspot.com/2011/06/how-to-replace-parking-turn-and-brake.html

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http://schematicsdiagram.blogspot.com/2011/12/upper-brake-lights-workbut-low.html

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1997 Cadillac Catera: How to replace Brake Light Switch?

http://howtobyme.blogspot.in/2012/06/1997-cadillac-catera-how-to-replace.html

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2003 Chevrolet S10 Tail light Fuse http://schematicsdiagram.blogspot.com/2012/11/2003-chevrolet-s10-tail-light-fuse.html

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http://schematicsdiagram.blogspot.com/2011/12/car-tail-lights-not-working.html

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http://schematicsdiagram.blogspot.com/2011/12/right-turn-signal-not-working-on.html

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http://schematicsdiagram.blogspot.com/2011/12/only-one-side-indicator-light-working.html

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http://technoanswers.blogspot.in/2012/02/1996-chrysler-lhs-brake-light-circuit.html

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http://schematicsdiagram.blogspot.com/2011/12/one-brake-light-on-driver-side-not.html

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http://repairhelpcenter.blogspot.in/2012/06/2007-kia-rio-brake-light-fuse-box.html

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These will help.

Thanks.

Nov 24, 2012 | Cars & Trucks

2 Answers

Trailer light hook-up


If this DeVille is trailer-ready, there is a trailer harness fuse box with 10A fuses for tail lights (PPL wire), left turn/stop/tail lights (YEL wire), and right turn/stop/tail lights (DK GRN wire

Oct 16, 2012 | 2001 Cadillac DeVille

1 Answer

1978 Cadillac Eldorado turn signal lights show parking illu & tail lights keep dark


see the diagram and fix it.Test the fuse,lose connection, dirty, corrosion, oxide.continuity.
God bless you
9_28_2012_9_08_36_pm.jpg

Sep 28, 2012 | Cars & Trucks

1 Answer

Left brake lite doesn't work AND the tail lite goes off


Hi Ahunley, Sounds like you have cross the connection wires to the unit ( positive to earth & earth to positive) Try swapping the connectors over.

Hope this works.
kind regards
David

Oct 09, 2017 | 1993 Cadillac Fleetwood

1 Answer

Tail light is out, brake and turn signal work


create your own earth wire off the original and screw/bolt to a good earth source.Nothing flash just a test if it works make a more permanant one

Oct 11, 2008 | 1998 Cadillac DeVille

1 Answer

Wiring


starting at the tail light harness coming from the truck, brown wire is for tail lights, black is ground, dark green is right turn and yellow is left turn, the turn signal wires are also the brake light wires. that sounds weird but if you hit the brakes and turn one of the signals on the actual brake light will blink. hope this helps you.

Jun 26, 2008 | 2002 Chevrolet S-10

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